csu3_am335x/EVSE/GPL/plc-utils.LNX.2.1.20/source/slac/vs_host_action_response.c

/*====================================================================*
	Copyright (c) 2013,2021 Qualcomm Technologies, Inc.
	All Rights Reserved.
	Confidential and Proprietary - Qualcomm Technologies, Inc.
	******************************************************************
	2013 Qualcomm Atheros, Inc.
 *--------------------------------------------------------------------*/

/*====================================================================*
 *
 *   int vs_host_action_response (struct plc * plc);
 *
 *   slac.h
 *
 *--------------------------------------------------------------------*/

#include <stdint.h>
#include <memory.h>

#include "../plc/plc.h"
#include "../tools/error.h"
#include "../tools/memory.h"

signed vs_host_action_response(struct plc * plc)

{
	struct channel * channel = (struct channel *) (plc->channel);
	struct message * message = (struct message *) (plc->message);

#ifndef __GNUC__
#pragma pack (push,1)
#endif

	struct __packed vs_host_action_ind
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint8_t MACTION;
		uint8_t MAJOR_VERSION;
		uint8_t MINOR_VERSION;
		uint8_t session_id;
		uint16_t outstanding_retries;
		uint16_t retrytimer_in10ms;
	};

	struct __packed vs_host_action_rsp
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint8_t MSTATUS;
		uint8_t MAJOR_VERSION;
		uint8_t MINOR_VERSION;
		uint8_t MACTION;
		uint8_t session_id;
		uint16_t outstanding_retries;
	}
	* response = (struct vs_host_action_rsp *) (message);

#ifndef __GNUC__
#pragma pack (pop)
#endif

	struct vs_host_action_ind indication;
	memcpy(&indication, message, sizeof(struct vs_host_action_ind));

	memset (message, 0, sizeof (* message));

	memcpy(channel->peer, indication.ethernet.OSA, sizeof(channel->peer));

	response->MAJOR_VERSION = indication.MAJOR_VERSION;
	response->MINOR_VERSION = indication.MINOR_VERSION;
	response->MACTION = indication.MACTION;
	response->session_id = indication.session_id;
	response->outstanding_retries = indication.outstanding_retries;
	EthernetHeader (& response->ethernet, channel->peer, channel->host, channel->type);
	QualcommHeader (& response->qualcomm, 0, (VS_HOST_ACTION | MMTYPE_RSP));
	plc->packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
	if (SendMME (plc) <= 0)
	{
		error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
		return (-1);
	}
	return (0);
}